﻿// ———————————————————————–
// <copyright file="OrganizationType.cs" company="The MITRE Corporation">
//    Copyright (c) 2014 The MITRE Corporation. All rights reserved.
//    Licensed under the Apache License, Version 2.0 (the "License");
//    you may not use this file except in compliance with the License.
//    You may obtain a copy of the License at
//    http://www.apache.org/licenses/LICENSE-2.0
//    Unless required by applicable law or agreed to in writing, software
//    distributed under the License is distributed on an "AS IS" BASIS,
//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//    See the License for the specific language governing permissions and
//    limitations under the License.
// </copyright>
// ———————————————————————–
/////////////////////////////////////////////////////////////////////////////////////////////////
// OrganizationType.cs:
// A data type for a body of people organized for a particular purpose.
// Project: IC.NET - EDXL Library
//
// Language:    C#, .NET 4.0
// Platform:    Windows 7, VS 2012
// Author:      Jim Cronin MITRE Bedford

/////////////////////////////////////////////////////////////////////////////////////////////////

// Copyright (c) 2014 The MITRE Corporation. All rights reserved.
//
// NOTICE
// This software was produced for the U. S. Government
// under Contract No. FA8721-09-C-0001, and is
// subject to the Rights in Noncommercial Computer Software
// and Noncommercial Computer Software Documentation Clause
// (DFARS) 252.227-7014 (JUN 1995)

using System;
using System.Collections.Generic;
using System.Xml;

namespace EDXLSharp.NIEMCore
{
  /// <summary>
  /// A data type for a body of people organized for a particular purpose.
  /// </summary>
  public abstract class OrganizationType : ComplexTypeBase
  {
    /// <summary>
    /// An identification that references an organization.
    /// </summary>
    public OrganizationIdentification OrganizationIdentification;
    public IComposable OrganizationAugmentationPoint; //TODO: OrganizationType.OrganizationAugmentationPoint - type/implementation
    
    protected OrganizationType()
    {
    }

    public OrganizationType(string id)
    {
      this.OrganizationIdentification = new OrganizationIdentification(id);
    }

    /// <summary>
    /// Writes this Object to an inline XML Document
    /// </summary>
    /// <param name="xwriter">Valid XMLWriter</param>
    /// <exception cref="System.ArgumentNullException">Thrown if xwriter is null</exception>
    /// <exception cref="EDXLSharp.ValidationException">Thrown if the object fails to validate</exception>
    public override void WriteXML(XmlWriter xwriter)
    {
      if (xwriter == null)
      {
        throw new ArgumentNullException("xwriter");
      }

      this.Validate();

      xwriter.WriteStartElement(this.ElementPrefix, this.ElementName, this.ElementNamespace);
      if (this.OrganizationIdentification != null)
      {
        OrganizationIdentification.WriteXML(xwriter);
      }
      xwriter.WriteEndElement();
    }

    /// <summary>
    /// Reads this Object's values from an XML nodelist
    /// </summary>
    /// <param name="rootnode">root XML Node of the Object element</param>
    /// <exception cref="System.ArgumentNullException">Thrown if rootnode is null</exception>
    /// <exception cref="System.ArgumentException">Thrown if the rootnode is not the correct type</exception>
    /// <exception cref="EDXLSharp.ValidationException">Thrown if the object fails to validate</exception>
    public override void ReadXML(XmlNode rootnode)
    {
      if (rootnode == null)
      {
        throw new ArgumentNullException("rootnode");
      }
      if (rootnode.LocalName != this.ElementName)
      {
        throw new ArgumentException("Unexpected element " + rootnode.LocalName + " instead of " + this.ElementName);
      }

      foreach (XmlNode node in rootnode.ChildNodes)
      {
        ReadNode(node);
      }

      this.Validate();
    }

    protected virtual void ReadNode(XmlNode node)
    {
      switch (node.LocalName)
      {
        case "OrganizationIdentification":
          if (this.OrganizationIdentification != null)
          {
            throw new ArgumentException("There should only be a single organization id");
          }
          OrganizationIdentification orgId = new OrganizationIdentification();
          orgId.ReadXML(node);
          this.OrganizationIdentification = orgId;
          break;
        default:
          throw new ArgumentException("Unexpected element " + node.LocalName + " in " + this.ElementName);
      }
    }

    /// <summary>
    /// Validates This Message element For Required Values and Conformance
    /// </summary>
    /// <exception cref="EDXLSharp.ValidationException">Thrown if the object fails to validate</exception>
    public override void Validate()
    {
      if (this.OrganizationIdentification == null)
      {
        throw new ValidationException("OrganizationIdentification missing from " + this.ElementName);
      }
      this.OrganizationIdentification.Validate();
    }
  }
}